Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40425-015-0090-0/MediaObjects/40425_2015_90_Fig4_HTML.gif)
Survival analysis of elderly breast cancer patients according to CD8+ T-cell responses to Her-2 peptides in vitro. a patients grouped according to TNF production in all patients and b in non-metastatic patients only; c patients grouped according to IFN-γ production (all patients)